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It's not sad cow disease, it's MAD cow disease. Its a brain disease that can cause irrational behavior in cows.
Researchers are not completely sure how cows get mad cow disease, but they believe it comes from certain food that was given to cows. Some of this food contains the remains of dead cows that had the infection causing the cows that are eating it to get the infection. Mad cow disease affects the cows brain causing them to go "mad."
Cows.
they go mad
Mad cow disease happens when the proteins in the brain of cow become misfolded. This is called prion. In simple words all proteins have to be folded before they can function and when some proteins in the brain become misfolded, such a state is called prions (misfolding of proteins) and it results in mad cow disease.
At this point, only one cow is known to be affected by Mad Cow Disease in the latest case (which was in April of 2012). The other cows from the same herd as the one known to be affected will be tested for the disease as well.
Unless you happened to eat contaminated beef or some special dish that is made from the brains and/or spinal cord of an unknowingly infected cow, chances of getting the human form of Mad Cow Disease are slim. They get even slimmer if you have abstained from eating any beef during this outbreak crisis when you lived in the U.K. during that frightening period.
Nobody really knows.
Contaminated feed.
yeh when you had a poo ate it then pooed it back out in a cows mouth which made the cow mad so its madcow disease lols :)
What happened to the cow when it ran into a tree? Udder destruction! What happened to the cow when it ran into a tree. It was a mooving experience!
An outbreak of mad-cow disease in England wiped out most of the country's beef industry. A more recent outbreak of Hoof and Mouth disease was a lesser but still devestating plague. Even more recently an outbreak of BSE in Alberta caused an entire herd to be wiped out or put down, which ever way you want to put it, in 2003. A couple other cases had similar consequences, only to find the one or two cows confirmed with BSE were the only ones in that herd that were "humanely euthanized" that had the debilitating disease.